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Eddi Din [679]
3 years ago
9

SOMEONE PLEASE I NEED HELL AND I WANT TO GO TO SLEEP, but there’s more than one answer btw

Mathematics
2 answers:
max2010maxim [7]3 years ago
7 0

Answer:

\frac{7^{18}}{7^{9}}, (7³)³ and 7^{4}*7^{5}

Step-by-step explanation:

7^{8}*7  = 7^{9} is equivalent to the following exponential expressions:

\frac{7^{18}}{7^{9}}, as it applies to the Quotient Rule of Exponents: \frac{a^{m}}{a^{n}} = a^{m-n}. Therefore, you're essentially subtracting the exponents, resulting into 7^{9}.

(7³)³: The Power-to-Power Rule of Exponents apply in this situation:(a^{m})^{n} = a^{mn}. Multiplying the exponent inside the parenthesis by the exponent outside the parenthesis results in an exponent of 9.

7^{4}*7^{5}: the Product Rule of Exponents apply in this situation: a^{m}*a^{n} = a^{m+n}. Adding the exponents of 4 to 5 results in an exponent of 9.  

Please mark my answers as the Brainliest, if you find this helpful :)

ira [324]3 years ago
3 0

Answer:

The second one, third one and the fifth one should be correct. (7 to the 18th power divided 7 to the 9th power, 7 to the 3rd power to the 3rd power, and 7 to the 4th power times 7 to the 5th power)

Step-by-step explanation:

7 to the 8th power times 7 equal 40353607 so if you do all the equations shown you can rule out which ones equal 40353607 and which ones don't. Have a nice sleep!

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Use the drop-down menus to identify each number as prime or composite.
Ksivusya [100]

Answer:

composite

prime

composite

composite

composite

Step-by-step explanation:

prime numbers only have two factors

composite numbers have three or more

4 0
3 years ago
Pls can I have the workings too​
KengaRu [80]

Answer:

\frac{(3-2a)}{a^2}

Step-by-step explanation:

Given expression is,

\frac{3}{a^2}- \frac{2}{a}

First equalize the denominators of the fractions,

\frac{3}{a^2}-\frac{2a}{a^2}

Now combine the fraction as a single fraction,

\frac{(3-2a)}{a^2}

Since, we can not solve this fraction further, this will be simplified form of the given expression.

3 0
3 years ago
1. Un examen de Matemáticas ha sido aprobado por 6/9 de los estudiantes. Al resto de los estudiantes le toca repetir el examen.
Eddi Din [679]

Answer:

15 students

Step-by-step explanation:

The fraction of students who will repeat the exam is:

1-\frac{6}{9}

=\frac{9}{9} -\frac{6}{9} =\frac{3}{9}

simplified is:

\frac{1}{3}

Extract this fraction of 45:

45(\frac{1}{3} )=\frac{45}{3} =15

Hope this helps

5 0
2 years ago
What are the solutions of the equation (x-3)^2 + 2(x-3)-8=0
Lisa [10]
The solutions are x=5,-1<span />
8 0
3 years ago
Yousuf buys a pen that cost AED 2.12. How much will 4 such pen cost? GUYS PLEASE QUICK I HAVE AN EXAM RN
charle [14.2K]

Answer:

8.48

Step-by-step explanation:

4 x 2.12 = 8.48 AED

Please mark brainliest!

5 0
2 years ago
Read 2 more answers
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